Posted by haifeng on 2023-11-07 19:02:00 last update 2023-11-07 19:04:21 | Answers (1) | 收藏
证明: 多项式函数 $f(x)=(1+x)^{2n+1}$ 在 $x=0$ 处可展开为
\[ (1+x)^{2n+1}=\sum_{k=0}^{n}C_{2n+1}^k x^k+R_n(x). \]
